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How police respond in 'active shooter' situations

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How police respond in 'active shooter' situations

"Active shooter" is one of the worst calls police can get. CNN gets an exclusive look at the Advanced Law Enforcement Rapid Response Training Program, which trains police for real-life active shooter scenarios.

How police respond in 'active shooter' situations

"Active shooter" is one of the worst calls police can get. CNN gets an exclusive look at the Advanced Law Enforcement Rapid Response Training Program, which trains police for real-life active shooter scenarios.